Gastroenterology Clinic Follow-Up Reduces Gastroenterology-Specific Readmissions Among Patients With Severe Ulcerative Colitis.

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Abstract

BACKGROUND AND AIMS: Readmission within 30 days occurs in up to 18% of admitted patients with ulcerative colitis (UC). The importance of postdischarge follow-up with a gastroenterologist as well as the optimal follow-up interval is unknown.METHODS: We conducted a retrospective cohort study of patients with UC who were admitted to Stanford University Hospital between 2010 and 2020. We included adult patients with UC who were admitted for a UC flare. Patients with a colectomy during hospitalization or with Clostridium difficile infection at the index hospitalization were excluded. The primary outcome was time to readmission for a gastroenterology (GI) indication, and the primary predictor (time dependent) was follow-up with a GI provider. Patients were followed for 180 days after discharge. Data were analyzed using a Cox proportional hazards model.RESULTS: Of the 223 patients hospitalized with UC during the study period, 25% (n = 57) were readmitted within 180 days, with 13.9% occurring within 30 days. Early follow-up (within 7 days) was observed in 29% (n = 65) of patients, while 30-day follow-up was seen in 68.7% (n = 153), and follow-up within 180 days was seen in 198 (89%) patients. In the adjusted Cox proportional hazards model, GI follow-up was associated with fewer readmissions (hazard ratio, 0.42; 95% confidence interval, 0.22-0.81; P = .009). Early follow-up was strongly associated with a reduced risk of readmission (hazard ratio, 0.24; 95% 95% confidence interval, 0.09-0.69; P = .008). Follow-up in 7 days was associated with fewer readmissions (P < .0001).CONCLUSIONS: Outpatient GI follow-up after UC hospitalization reduces readmissions, with the greatest reduction occurring among patients followed up within 1 week of discharge.

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